Samsung YP-P2, Руководство по обслуживанию

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4-8 Samsung Electronics
Troubleshooting
4-1-4 Cannot Receive FM Radio
Symptom
No FM radio reception
Major Checklist
1
Check if the C107 FM_VDD of IC100 is 1.0V.
2
Check if RTC CLOCK outputs a busy FM_CLOCK 32.768 KHz.
1
Check BATTERY power.
C107: 1.0V
Completion
Yes
Yes
No
Is RTC CLOCK functioning
normally?
Check the DIVIDE resistance.
(R525 220KΩ, R526 1MΩ)
(
2
Wave pattern Peak-Peak 1.8V
Check)
Are the earphones plugged in?
Yes
No
Reactivate after connecting the
earphones.
No
Yes
Activate the FM radio.
2
Is 32.768 KHz CLOCK being
inputted normally?
Replace the board
(needs thorough examination).

Refer to wave pattern
image of Table 4-4.
No

Refer to wave pattern
image of Table 4-4.